reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/recipes-devtools/elfutils/files/0008-build-Provide-alternatives-for-glibc-assumptions-hel.patch b/poky/meta/recipes-devtools/elfutils/files/0008-build-Provide-alternatives-for-glibc-assumptions-hel.patch
index 41981f4..a4f301d 100644
--- a/poky/meta/recipes-devtools/elfutils/files/0008-build-Provide-alternatives-for-glibc-assumptions-hel.patch
+++ b/poky/meta/recipes-devtools/elfutils/files/0008-build-Provide-alternatives-for-glibc-assumptions-hel.patch
@@ -1,4 +1,4 @@
-From 207be05c44da5c4c31179a34660e176145ff8d4b Mon Sep 17 00:00:00 2001
+From 990d377a92f4bab04bf6820fc81b3dcb6cf5e31d Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Mon, 2 Jul 2018 09:52:23 +0800
 Subject: [PATCH] build: Provide alternatives for glibc assumptions helps
@@ -10,6 +10,7 @@
 Rebase to 0.175
 
 Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+
 ---
  Makefile.am                      |  2 +-
  lib/fixedsizehash.h              |  1 -
@@ -221,6 +222,3 @@
  
  #include <errno.h>
  #include <stdbool.h>
--- 
-2.7.4
-